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24 Cards in this Set
- Front
- Back
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scientists often use experiments to test their what which are possible explantions for observations
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hypothesis
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what is defined as the amount of space something occupies
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volume
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a life scientist would use a what to magnify a living specimen
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compound light microscope
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a set of related hypotheses that are supported by evidence may become accepted as a what
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theory
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what is the use of knowledge tools and materials to solve problems and accomplish tasks
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technology
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what might you find a life scientist at work
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studying how wasps could be used to control fire ant populations
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when researchers use the scientific method they should
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repeat or switch the order of steps as needed
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a scientist who wants to study the possible side effects of a new medicine would probably
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include a control group that received no medisine
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which tool would a lif scientist use to obtain a detailed image of the nerves that branch off a persons spinal cord
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an mri
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an advantage of using the international system of units is that it
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gives scientists a common way to share their results
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in a scientific experiment a hypothesis that cannot be tested is alys considered to be
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not useful
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in a scientific experiment a hypothesis that cannot be tested is alys considered to be
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not useful
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in a scientific experiment a hypothesis that cannot be tested is alys considered to be
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not useful
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in a scientific experiment a hypothesis that cannot be tested is alys considered to be
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not useful
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in a scientific experiment a hypothesis that cannot be tested is alys considered to be
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not useful
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a ____ object contains the same amount of matter as a 10 kg object
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10,000 grams
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a ____ object contains the same amount of matter as a 10 kg object
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10,000 grams
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in the cell membrane ______ molecules form two layers
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phosphilipid
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when a planarian worm is cut in half each half develops into a whole worm this is an example of what
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asexual
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what are sometimes called the blueprints of life
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nucleic acid
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what is the passing of traits from one generation to the next
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heredity
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what refers to all of the chemical activities that an organism's cells perform
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metabolism
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whatt is a complex carbohydrate manufactured by plants
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starch
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whatt is a complex carbohydrate manufactured by plants
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starch
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